Marcio Cachapela: Portugal Life List IOC, All records: Top Blockers Record(s) 1 to 52 of 52 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Greylag Goose	Anser anser	51	63.75	
2	Taiga Bean Goose	Anser fabalis	16	20.00	
3	Greater White-fronted Goose	Anser albifrons	33	41.25	
4	Egyptian Goose	Alopochen aegyptiaca	52	65.00	
5	Common Shelduck	Tadorna tadorna	64	80.00	
6	Northern Shoveler	Spatula clypeata	64	80.00	
7	Gadwall	Mareca strepera	67	83.75	
8	Eurasian Wigeon	Mareca penelope	53	66.25	
9	Mallard	Anas platyrhynchos	76	95.00	
10	Northern Pintail	Anas acuta	61	76.25	
11	Eurasian Teal	Anas crecca	63	78.75	
12	Red-crested Pochard	Netta rufina	60	75.00	
13	Common Pochard	Aythya ferina	62	77.50	
14	Ferruginous Duck	Aythya nyroca	51	63.75	
15	Ring-necked Duck	Aythya collaris	43	53.75	
16	Tufted Duck	Aythya fuligula	56	70.00	
17	Common Scoter	Melanitta nigra	55	68.75	
18	Red-breasted Merganser	Mergus serrator	43	53.75	
19	Common Quail	Coturnix coturnix	59	73.75	
20	Red-legged Partridge	Alectoris rufa	71	88.75	
21	Red-necked Nightjar	Caprimulgus ruficollis	52	65.00	
22	Alpine Swift	Tachymarptis melba	63	78.75	
23	Common Swift	Apus apus	72	90.00	
24	Pallid Swift	Apus pallidus	68	85.00	
25	White-rumped Swift	Apus caffer	41	51.25	
26	Great Bustard	Otis tarda	64	80.00	
27	Little Bustard	Tetrax tetrax	59	73.75	
28	Great Spotted Cuckoo	Clamator glandarius	51	63.75	
29	Common Cuckoo	Cuculus canorus	64	80.00	
30	Common Wood Pigeon	Columba palumbus	71	88.75	
31	European Turtle Dove	Streptopelia turtur	67	83.75	
32	Eurasian Collared Dove	Streptopelia decaocto	75	93.75	
33	Water Rail	Rallus aquaticus	55	68.75	
34	Common Moorhen	Gallinula chloropus	69	86.25	
35	Eurasian Coot	Fulica atra	74	92.50	
36	Western Swamphen	Porphyrio porphyrio	65	81.25	
37	Common Crane	Grus grus	48	60.00	
38	Little Grebe	Tachybaptus ruficollis	73	91.25	
39	Great Crested Grebe	Podiceps cristatus	65	81.25	
40	Black-necked Grebe	Podiceps nigricollis	50	62.50	
41	Greater Flamingo	Phoenicopterus roseus	73	91.25	
42	Eurasian Stone-curlew	Burhinus oedicnemus	56	70.00	
43	Pied Avocet	Recurvirostra avosetta	68	85.00	
44	Northern Lapwing	Vanellus vanellus	60	75.00	
45	Great Skua	Stercorarius skua	56	70.00	
46	Northern Gannet	Morus bassanus	74	92.50	
47	Cinereous Vulture	Aegypius monachus	52	65.00	
48	European Bee-eater	Merops apiaster	69	86.25	
49	Western Yellow Wagtail	Motacilla flava	66	82.50	
50	Grey Wagtail	Motacilla cinerea	64	80.00	
51	White Wagtail	Motacilla alba	73	91.25	
52	Red Crossbill	Loxia curvirostra	48	60.00